Clicking on the tabs will take you to the respective Add page. Salespersons and Products need added before adding orders. Customers can be added on the Add Order page.
The Orders page will only add new orders. The Customers, Salesperson, and Products tab have the Add page, then a list of current items. The List Orders tab has 3 drop down lists to control the orders to be listed.
The lists have 2 columns on the right to Delete and Edit the items.
Contact information: firstname.lastname@example.org